Issue with rescue_action_in_public! and testing 404 responses

Hello,

I’m new to rails and I’m trying to wrap my heads around how to spec
controllers using RSpec (using rails 3rc1 and rspec 2.0.0.beta.19).

The problem I’ve run into is when I want to test that my controllers
respond
with a 404 for unfound records.
Whenever I run the spec, the ActiveRecord::RecordNotFound exception is
not
caught by rails, causing the spec example to fail since the exception
propagates out of the controller into the spec.

From googling around I get that rails only handles the exceptions and does a
404 response when it’s run in production mode, and that you need to call
rescue_action_in_public! in your example if you want this behavior for
test
mode. However, this does not seem to do anything for me. The example
still
fails because the exception bubbles escapes unhandled from the
controller.

Do I need to set something up for the rescue_action_in_public! to work?
Or
is this not the correct way to test missing records?

My full example: (using factory_girl, rspec mocks and devise)

it “respons with 404 when trying to edit non-existing reads” do
rescue_action_in_public!
sign_in(@user)
Read.should_receive(:find_by_id_and_user_id!).with(2,
@user.id).and_raise(ActiveRecord::RecordNotFound)

get :edit, :id => 2
response.status.should eql 404
end

and the exception:

  1. ReadsController resources respons with 404 for non existing reads for
    GET
    /reads/2/edit
    Failure/Error: get :edit, :id => 2
    ActiveRecord::RecordNotFound

Thanks,
/Christoffer

On Aug 8, 2010, at 2:53 PM, christofferklang wrote:

and the exception:

  1. ReadsController resources respons with 404 for non existing reads for GET /reads/2/edit
    Failure/Error: get :edit, :id => 2
    ActiveRecord::RecordNotFound
    It’s up to you to handle the error in the controller. Something like
    this in ApplicationController:

rescue_from ActiveRecord::RecordNotFound do
render ‘/404.html’, :layout => false, :status => :not_found
end

HTH,
David

On Aug 9, 7:21 pm, David C. [email protected] wrote:

It’s up to you to handle the error in the controller. Something like this in ApplicationController:

rescue_from ActiveRecord::RecordNotFound do
render ‘/404.html’, :layout => false, :status => :not_found
end

Actually, I believe this is a bug in Rails 3.
ActiveRecord::RecordNotFound should be handled automatically by the
ActionDispatch::ShowExceptions middleware, and then
rescue_action_in_public! in your controller test should continue to
work as it did in Rails 2, allowing you to verify the result is a 404.

I posted to rails-core about this issue:

http://groups.google.com/group/rubyonrails-core/browse_thread/thread/e7379309d2308f28

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